Sumitomo chemical ind ltd - A Long term investment stock

In this weekly chart wave (1) is completed at 540 and wave achieved its minimum retracement range....If wave (2) is already completed at 336 then wave (3) is already started and may achieve given targets of wave (3) in upcoming months or so....but if wave (2) is still in progress then 345-268 support(buying) range for the stock....